/*
 * JBoss, Home of Professional Open Source
 * Copyright 2013, Red Hat, Inc. and/or its affiliates, and individual
 * contributors by the @authors tag. See the copyright.txt in the
 * distribution for a full listing of individual contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.as.quickstart.hibernate3.util;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.validator.Validator;
import javax.faces.validator.ValidatorException;

public class ValidateName implements Validator {

    @Override
    public void validate(FacesContext facesContext, UIComponent uiComponent, Object nameObject) throws ValidatorException {
        String nameRegistered = (String) nameObject;

        // The name can only contain letters and spaces.
        Pattern namePattern = Pattern.compile("[A-Za-z ]*");
        Matcher nameMatcher = namePattern.matcher(nameRegistered);
        if (!nameMatcher.matches()) {
            FacesMessage facesMessage = new FacesMessage();
            facesMessage.setSummary("Name is not valid.");
            facesMessage.setDetail("Name must contain only letters and spaces.");
            facesMessage.setSeverity(FacesMessage.SEVERITY_ERROR);
            facesContext.addMessage("reg:name", facesMessage);
            throw new ValidatorException(facesMessage);
        }

    }

}
